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Luma3DS-3GX/source/emunand.c
2015-08-04 21:57:37 -04:00

40 lines
1.0 KiB
C

/*
* emunand.c
* by Reisyukaku
*/
#include "emunand.h"
#include "fatfs/ff.h"
#include "fatfs/sdmmc/sdmmc.h"
typedef struct emunand {
u32 offset;
u32 header;
const char* name;
} emunand;
emunand emunands[] = {
{.offset = 1, .header = 1, .name = "redNAND"},
{.offset = 0, .header = 0x1D7800, .name = "Toshiba GW/MT"},
{.offset = 0, .header = 0x1DD000, .name = "Samsung GW/MT"},
{.offset = 0, .header = 0x26C000, .name = "Samsung N3DS GW"},
{.offset = 0, .header = 0x3B0000, .name = "Unknown N3DS GW"},
{.offset = 0, .header = 0, .name = 0},
};
static u8 *temp = (u8 *)0x24300000;
u8 getEmunand(u32 *off, u32 *head){
u8 ret = 0;
for(int i = 0; emunands[i].name; i++){
if (sdmmc_sdcard_readsectors(emunands[i].header, 1, temp) == 0) {
if (*(u32 *)(temp + 0x100) == NCSD_MAGIC) {
*off = (u32)&emunands[i].offset;
*head = (u32)&emunands[i].header;
ret = 1;
break;
}
}
}
return ret;
}